<template>
  <div style="border: 1px solid #ccc" class="mr-[20px]">
    <Toolbar
      style="border-bottom: 1px solid #ccc"
      :editor="editorRef"
      :defaultConfig="toolbarConfig"
      :mode="mode"
    />
    <Editor
      :style="{ height: props.height, 'overflow-y': 'hidden' }"
      v-model="valueHtml"
      :defaultConfig="editorConfig"
      :mode="mode"
      @onCreated="handleCreated"
    />
  </div>
</template>

<script setup lang="ts">
import { IEditorConfig } from "@wangeditor/editor";
import "@wangeditor/editor/dist/css/style.css"; // 引入 css
import { onBeforeUnmount, shallowRef, computed } from "vue";
import { Editor, Toolbar } from "@wangeditor/editor-for-vue";
interface Props {
  modelValue: string;
  height?: string;
}
const props = withDefaults(defineProps<Props>(), {
  height: "300px"
});
const emits = defineEmits(["update:modelValue"]);
// 编辑器实例，必须用 shallowRef
const editorRef = shallowRef();

// 内容 HTML
const valueHtml = computed({
  get() {
    return props.modelValue;
  },
  set(newValue: string) {
    emits("update:modelValue", newValue);
  }
});
const toolbarConfig = {};
const editorConfig: Partial<IEditorConfig> = {
  placeholder: "请输入内容...",
  MENU_CONF: {}
};
type InsertFnType = (url: string, alt: string, href: string) => void;
editorConfig.MENU_CONF["uploadImage"] = {
  // 自定义上传
  async customUpload(file: File, insertFn: InsertFnType) {
    const reader = new FileReader();
    reader.onload = function (loadEvent) {
      const base64String = loadEvent.target.result;
      insertFn(base64String as string, "", "");
    };
    reader.readAsDataURL(file);
  }
};
// 组件销毁时，也及时销毁编辑器
onBeforeUnmount(() => {
  const editor = editorRef.value;
  if (editor == null) return;
  editor.destroy();
});

const handleCreated = editor => {
  editorRef.value = editor; // 记录 editor 实例，重要！
};
const mode = "default";
</script>
